linux-kernel - Re: [PATCH v2 7/9] sparc64: numa: check the node id consistently for sparc64

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20190831.130250.1236116087422472663.davem@davemloft.net>
Date:   Sat, 31 Aug 2019 13:02:50 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     linyunsheng@...wei.com
Cc:     catalin.marinas@....com, will@...nel.org, mingo@...hat.com,
        bp@...en8.de, rth@...ddle.net, ink@...assic.park.msu.ru,
        mattst88@...il.com, benh@...nel.crashing.org, paulus@...ba.org,
        mpe@...erman.id.au, heiko.carstens@...ibm.com, gor@...ux.ibm.com,
        borntraeger@...ibm.com, ysato@...rs.sourceforge.jp,
        dalias@...c.org, ralf@...ux-mips.org, paul.burton@...s.com,
        jhogan@...nel.org, jiaxun.yang@...goat.com, chenhc@...ote.com,
        akpm@...ux-foundation.org, rppt@...ux.ibm.com,
        anshuman.khandual@....com, tglx@...utronix.de, cai@....pw,
        robin.murphy@....com, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, hpa@...or.com, x86@...nel.org,
        dave.hansen@...ux.intel.com, luto@...nel.org, peterz@...radead.org,
        len.brown@...el.com, axboe@...nel.dk, dledford@...hat.com,
        jeffrey.t.kirsher@...el.com, linux-alpha@...r.kernel.org,
        nfont@...ux.vnet.ibm.com, naveen.n.rao@...ux.vnet.ibm.com,
        mwb@...ux.vnet.ibm.com, linuxppc-dev@...ts.ozlabs.org,
        linux-s390@...r.kernel.org, linux-sh@...r.kernel.org,
        sparclinux@...r.kernel.org, tbogendoerfer@...e.de,
        linux-mips@...r.kernel.org, linuxarm@...wei.com
Subject: Re: [PATCH v2 7/9] sparc64: numa: check the node id consistently
 for sparc64

From: Yunsheng Lin <linyunsheng@...wei.com>
Date: Sat, 31 Aug 2019 16:57:04 +0800

> Did you mean sparc64 system does not has ACPI, the device's node id will
> not specified by ACPI, so the ACPI is unrelated here?

Yes, sparc64 never has and never will have ACPI.

This is also true for several other platforms where you have made this
change.

The assumption of your entire patch set is that the semantics of the
NUMA node ID are somehow completely defined by ACPI semantics.  Which
is not true.